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[image]Hellas Mosaic - NASA
This mosaic comprises about 50 red-, green-, and violet-filter Viking Orbiter images, mosaiced in an orthographic projection at a scale of 1 km/pixel. The images were acquired in 1980 during late northern summer on Mars. The mosaic covers the region from latitude -70 degrees to 50 degrees and longitude 260 degrees to 360 degrees. The bright white region near the bottom of the image is due to carbon dioxide frost in the Hellas impact basin, which is about 2000 km in diameter...
Keywords: What -- Viking; What -- Mars
Downloads: 5
[image]Changes near the Volcano Loki Patera on Io - NASA
Four views of the volcano Loki Patera on Jupiter's moon Io showing changes seen on June 27th, 1996 by the Galileo spacecraft as compared to views seen by the Voyager spacecraft during the 1979 flybys. Clockwise from upper left is a Voyager 1 high resolution image, a Voyager 1 color image, a Galileo color image, and a Voyager 2 color image. North is to the top of the picture. During the Voyager flybys large dense volcanic plumes erupting from each end of the dark linear "fissure" to the northeast...
Keywords: What -- Moon; What -- Io; What -- Galileo; What -- Voyager 1; What -- Voyager 2; What -- Voyager; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington
Downloads: 5
[image]Coprates Chasma - NASA/JPL/Malin Space Science Systems
Mars Orbiter Camera (MOC) image of a 10 km by 12 km area of Coprates Chasma (14.7 degrees S, 55.8 degrees W), a ridge with a flat upper surface in the center of Coprates Chasma, which is part of the 6000-km-long Valles Marineris. Rock layers are visible just below the ridge. The gray scale (4.8 m/pixel) MOC image was combined with a Viking Orbiter color view of the same area. The faults of a graben offset beds on the slope to the left...
Keywords: What -- Mars; What -- Viking
Downloads: 5
[image]Northeast View From Pathfinder Lander - NASA
This panorama of the region to the northeast of the lander was constructed to support the Sojourner Rover Team's plans to conduct an "autonomous traverse" to explore the terrain away from the lander after science objectives in the lander vicinity had been met. The large, relatively bright surface in the foreground, about 10 meters (33 feet) from the spacecraft, in this scene is "Baker's Bench." The large, elongated rock left of center in the middle distance is "Zaphod." This view was produced by...
Keywords: What -- Mars; What -- Discovery; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington; Where -- California; Where -- Arizona
Downloads: 6
[image]Galileo's First Image of Amalthea - NASA
Galileo's first view of Amalthea, a small inner moon of Jupiter, showing the end of the elongated satellite that faces permanently toward the giant planet. North is to the top of the picture and the Sun illuminates the surface from the left. The circular feature that dominates the upper-right portion of the disk is Pan, the largest crater on Amalthea. This crater is about 90 kilometers wide. The bright spot at the south pole is associated with another, slightly smaller crater named Gaea...
Keywords: What -- Moon; What -- Jupiter; What -- Sun; What -- Crater; What -- Galileo; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington; Where -- California
Downloads: 6
[image]Pathfinder Rover Atop Mermaid Dune - NASA
Mars Pathfinder Lander camera image of Sojourner Rover atop the Mermaid "dune" on Sol 30. Note the dark material excavated by the rover wheels. These, and other excavations brought materials to the surface for examination and allowed estimates of mechanical properties of the deposits. NOTE: original caption as published in Science Magazine Mars Pathfinder is the second in NASA's Discovery program of low-cost spacecraft with highly focused science goals...
Keywords: What -- Mars; What -- Discovery; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington; Where -- California
Downloads: 6
[image]Dynamics of Jupiter's long-lived White Ovals - NASA
Three sets of observations, each taken one hour apart, illustrate dynamics in this region of Jupiter's turbulent atmosphere. The near-infrared continuum filter (756 nanometers) shows the features of Jupiter's main visible cloud deck. Oval cloud systems of this type are often associated with chaotic cyclonic systems such as the balloon shaped vortex seen here between the well formed ovals. This system is centered near 30 degrees south planetocentric latitude and 100 degrees west longitude and rot...
Keywords: What -- Earth; What -- Galileo; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington; Where -- California
Downloads: 7
[image]Sojourner Rover Behind Chimp - Left Eye - NASA
This left image of a stereo image pair taken on the afternoon of Sol 74 (September 17) shows the Sojourner rover behind the rock "Chimp." Sojourner is now a record 12.3 m from the lander. This image and (right eye) make up a stereo pair. Mars Pathfinder is the second in NASA's Discovery program of low-cost spacecraft with highly focused science goals. The Jet Propulsion Laboratory, Pasadena, CA, developed and manages the Mars Pathfinder mission for NASA's Office of Space Science, Washington, D.C...
Keywords: What -- STEREO; What -- Mars; What -- Discovery; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington; Where -- California
Downloads: 5
[image]Mars '98 Polar landing site - NASA
Three-dimensional view of the Mars '98 Polar landing site from MOLA. The vertical exaggeration is 20: 1.
Keywords: What -- Mars; What -- Polar
Downloads: 5
[image]TES overlayed on MOLA DEM - NASA
This image is TES thermal data (Orbit 222) overlayed on the MOLA DEM. The color scale is TES T18-T25, which is a cold spot index. The grey scale is MOLA elevation in kilometers. Most cold spots can be attributed to surface spectral emissivity effects. Regions that are colored black-violet-blue have near unity emissivity and are coarse grained CO2. Regions that are yellow-red are fined grained CO2. The red-white spot located approximately 300W85N is our most likely candidate for a CO2 snow storm.
Keywords: What -- TES; What -- Unity
Downloads: 5
[image]Mars Polar Lander Site Surface Details - NASA/JPL/MSSS
This picture is an enlargement of a portion of a MOC image taken in late July 1999, showing the onset of defrosting of the seasonal carbon dioxide frost cap (small, occasionally fan-shaped dark spots seen throughout this image). Two craters are seen in this image, a very rare occurrence on the south polar layered deposits. Shown for comparison at the same scale is a picture of Jack Murphy (now Qualcomm) Stadium in San Diego, California...
Keywords: What -- Polar; What -- Sun; What -- Mars Global Surveyor Orbiter (MGS); What -- Crater; What -- Surveyor; What -- Mars; Where -- California; Where -- Jet Propulsion Laboratory (JPL); Where -- Denver
Downloads: 6
[image]Eros' Global Morphology - NASA
On 12 February, 2000, the NEAR spacecraft obtained a sequence of 780 images of Eros from a range of about 1800 km (1100 miles). This sequence covered one complete revolution of the asteroid at 0.5 degree intervals. In these views of opposite hemispheres of the asteroid, groups of images slightly apart in time were digitally processed to bring out local details. The processed data showing Eros from slightly different perspectives can then be combined as anaglyphs or stereo pairs...
Keywords: What -- STEREO; What -- Discovery; Where -- Maryland
Downloads: 9
[image]G Sharp - NASA/JPL/Space Science Institute
This contrast-enhanced view of Saturn's faint G ring shows its extremely sharp inner edge and more diffuse outer boundary. Using its large high-gain antenna as a shield, the Cassini spacecraft flew through the region interior to the G ring during insertion into Saturn orbit. The spacecraft was struck many times by the fine icy particles that populate the region between the F and G rings. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Jan...
Keywords: What -- Cassini; What -- Saturn; What -- Visible Light; What -- Huygens Probe; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington
Downloads: 5
[image]East Mareotis Tholus - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 10, 2006. The complete image is centered at 35.9 degrees latitude, 274.9 degrees East longitude. The range to the target site was 287.8 km (179.9 miles). At this distance the image scale is 57.6 cm/pixel (with 2 x 2 binning) so objects ~173 cm across are resolved...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]Northern Plains - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 9, 2006. The complete image is centered at 69.0 degrees latitude, 260.0 degrees East longitude. The range to the target site was 315.3 km (197.1 miles). At this distance the image scale is 31.5 cm/pixel (with 1 x 1 binning) so objects ~95 cm across are resolved...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]Exposure of Polar Layered Deposits - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 9, 2006. The complete image is centered at 88.0 degrees latitude, 62.5 degrees East longitude. The range to the target site was 318.8 km (199.3 miles). At this distance the image scale is 31.9 cm/pixel (with 1 x 1 binning) so objects ~96 cm across are resolved...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; What -- Polar; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]Small Secondary Craters - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 9, 2006. The complete image is centered at 10.7 degrees latitude, 158.5 degrees East longitude. The range to the target site was 274.3 km (171.4 miles). At this distance the image scale is 27.4 cm/pixel (with 1 x 1 binning) so objects ~82 cm across are resolved...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]North Polar Scarp - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 8, 2006. The complete image is centered at 85.0 degrees latitude, 150.4 degrees East longitude. The range to the target site was 318.8 km (199.3 miles). At this distance the image scale ranges from 63.8 cm/pixel (with 2 x 2 binning) to 127.6 cm/pixel (with 4 x 4 binning)...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; What -- Polar; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]Fretted Terrain Valleys - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 8, 2006. The complete image is centered at 41.0 degrees latitude, 12.1 degrees East longitude. The range to the target site was 298.0 km (186.2 miles). At this distance the image scale ranges from 29.8 cm/pixel (with 1 x 1 binning) to 119.2 cm/pixel (with 4 x 4 binning)...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]Gullies - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 8, 2006. The complete image is centered at -40.1 degrees latitude, 132.3 degrees East longitude. The range to the target site was 248.4 km (155.2 miles). At this distance the image scale is 49.7 cm/pixel (with 2 x 2 binning) so objects ~149 cm across are resolved...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]Fresh Crater in North Polar Layered Deposit - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 18, 2006. The complete image is centered at 83.0 degrees latitude, 94.8 degrees East longitude. The range to the target site was 317.2 km (198.3 miles). At this distance the image scale is 31.7 cm/pixel (with 1 x 1 binning) so objects ~95 cm across are resolved...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; What -- Crater; What -- Polar; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]Cratered Cones near Hephaestus Fossae - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 18, 2006. The complete image is centered at 21.4 degrees latitude, 123.3 degrees East longitude. The range to the target site was 283.3 km (177.1 miles). At this distance the image scale is 28.3 cm/pixel (with 1 x 1 binning) so objects ~85 cm across are resolved...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]Deposits in Electris Region - NASA/JPL/Univ. of Arizona
Image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 18, 2006. The complete image is centered at -37.0 degrees latitude, 185.4 degrees East longitude. The range to the target site was 250.3 km (156.4 miles). At this distance the image scale is 25.0 cm/pixel (with 1 x 1 binning) so objects ~75 cm across are resolved...
Keywords: What -- High Resolution Imaging Science Experiment (HiRISE); What -- Mars; What -- Sun; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Denver; Where -- Arizona
Downloads: 5
[image]Nine Galileo Views in Natural Color of Main-Belt Asteroid Ida - NASA
This set of color images of asteroid 243 Ida was taken by the imaging system on the Galileo spacecraft as it approached and raced past the asteroid on August 28, 1993. These images were taken through the 4100-angstrom (violet), 7560-angstrom (infrared) and 9680- angstrom (infrared) filters and have been processed to show Ida as it would appear to the eye in approximately natural color. The stark shadows portray Ida's irregular shape, which changes its silhouetted outline when seen from different...
Keywords: What -- Galileo; What -- COMETS; What -- Earth; What -- Near Infrared Mapping Spectrometer (NIMS); What -- Spectrometer; What -- Sun
Downloads: 5
[image]Northeast View from Viking Landing Site - NASA
This Mars view looks northeast from Viking 1 and completes the 360 panorama of the landing site begun earlier with the spacecraft's other camera. A layer of haze can be seen in the Martian sky. Large dark boulders dominate the scene. The largest boulder (center) is about 3 meters (10 feet) wide and one meter (3 feet) high. Rocks in the foreground are lighter and appear mottled. The rocks may have been derived from lava flows or stream deposits which are visible on orbiter images...
Keywords: What -- Mars; What -- Viking
Downloads: 8
[image]Hadriaca Patera - NASA
A color image of Hadriaca Patera on the northeast rim of Hellas basin of Mars; north toward top. The scene shows a central circular depression surrounded by low radial ridges and, at the bottom of the image, the channel of Dao Vallis. A patera (Latin for shallow dish or saucer) is a volcano of broad areal extent with little vertical relief. This image is a composite of Viking medium-resolution images in black and white and low-resolution images in color...
Keywords: What -- Mars; What -- Viking
Downloads: 6
[image]Rover touchdown on Martian surface - NASA
This picture taken by the IMP (Imager for Mars Pathfinder) aboard the Mars Pathfinder spacecraft depicts the rover Sojourner's position after driving onto the Martian surface. Sojourner has become the first autonomous robot ever to traverse the surface of Mars. This image reflects the success of Pathfinder's principle objective -- to place a payload on Mars in a safe, operational configuration. The primary mission of Sojourner, scheduled to last seven days, will be to use its Alpha Proton X-ray ...
Keywords: What -- Imager for Mars Pathfinder; What -- Mars; What -- Spectrometer; What -- Discovery; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington
Downloads: 5
[image]Sojourner's APXS & Wedge - NASA
This image of the rock "Wedge" was taken from the Sojourner rover's rear color camera on Sol 37. The position of the rover relative to Wedge is seen in MRPS 83349. The segmented rod visible in the middle of the frame is the deployment arm for the Alpha Proton X-Ray Spectrometer (APXS). The APXS, the bright, cylindrical object at the end of the arm, is positioned against Wedge and is designed to measure the rock's chemical composition...
Keywords: What -- Spectrometer; What -- Mars; What -- Discovery; What -- Imager for Mars Pathfinder; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington; Where -- California; Where -- Arizona
Downloads: 6
[image]MGS Approach Image - 307.3 W longitude - NASA/JPL/Malin Space Science Systems
This image was acquired by the Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) on August 20, 1997, when MGS was 5.51 million kilometers (3.42 million miles) and 22 days from encounter. At this distance, the MOC's resolution is about 20.6 km per picture element, and the 6800 km (4200 mile) diameter planet is about 330 pixels across. North is at the top of the image. The MGS spacecraft pointed the camera at the center of the planet (near the dark, morning sunrise line, or terminator) at 23.6 ...
Keywords: What -- Mars Global Surveyor Orbiter (MGS); What -- Surveyor; What -- Polar; Where -- California; Where -- Jet Propulsion Laboratory (JPL); Where -- Denver
Downloads: 6
[image]Layers within the Valles Marineris: Clues to the Ancient Crust of Mars - NASA/JPL/Malin Space Science Systems
This high resolution picture (right) of the Martian surface was obtained in the early evening of January 1, 1998 by the Mars Orbiter Camera (MOC), shortly after the Mars Global Surveyor spacecraft began it's 80th orbit. Seen in this view are a plateau and surrounding steep slopes within the Valles Marineris, the large system of canyons that stretches 4000 km (2500 mi) along the equator of Mars. The image covers a tiny fraction of the canyons at very high resolution: it extends only 9.8 km by 17....
Keywords: What -- Mars Global Surveyor Orbiter (MGS); What -- Surveyor; What -- Earth; What -- Viking; What -- Mars; Where -- California; Where -- Jet Propulsion Laboratory (JPL); Where -- Denver
Downloads: 6
[image]Jupiter's Equatorial Region in the Near-Infrared and Violet (Time set 2) - NASA
Mosaics of an equatorial "hotspot" on Jupiter at 756 nanometers (top) and 410 nanometers (bottom). The mosaics cover an area of 34,000 kilometers by 11,000 kilometers. The dark region near the center of each mosaic is an equatorial "hotspot" similar to the Galileo Probe entry site. These features are holes in the bright, reflective, equatorial cloud layer where warmer thermal emission from Jupiter's deep atmosphere can pass through...
Keywords: What -- Jupiter; What -- Galileo; What -- TRACE; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington
Downloads: 5
[image]Time Series of Jupiter's Aurora - NASA
These mosaics of Jupiter's night side show the Jovian aurora at approximately 45 minute intervals as the auroral ring rotated with the planet below the spacecraft. The images were obtained by the Solid State Imaging (SSI) system on NASA's Galileo spacecraft. during its eleventh orbit of Jupiter. The auroral ring is offset from Jupiter's pole of rotation and reaches the lowest latitude near 165 degrees west longitude...
Keywords: What -- Aurora 1; What -- Galileo; What -- Jupiter; What -- Earth; What -- Io; What -- Moon; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington; Where -- California
Downloads: 6
[image]Morning in Tiamat Sulcus - NASA
View of the Tiamat Sulcus region on Jupiter's moon, Ganymede, imaged just after local sunrise. The illumination from such a low sun angle highlights the grooved topography of Tiamat. Furrows and fractures are apparent in the surrounding dark terrain also. North-south trending Tiamat Sulcus is divided in two by Kishar Sulcus, which trends east-west. The southern portion of Tiamat is wider than its northern portion, indicating that there has been a greater degree of extension south of Kishar Sulcu...
Keywords: What -- Moon; What -- Ganymede; What -- Sun; What -- Galileo; Where -- Jet Propulsion Laboratory (JPL); Where -- Washington
Downloads: 6
[image]High Resolution View of Northern Plains Surface - NASA/JPL/MSSS
Until now, the vast northern plains of Mars have largely eluded the Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) because these plains were obscured by winter and springtime clouds during most of the 1997 and 1998 Aerobraking and Science Phasing portions of the MGS Mission. However, now in March 1999 it is summertime in the northern hemisphere of Mars, and the northern plains are clearly in view...
Keywords: What -- Mars Global Surveyor Orbiter (MGS); What -- Surveyor; What -- Lomonosov; What -- Crater; Where -- California; Where -- Jet Propulsion Laboratory (JPL); Where -- Denver
Downloads: 6
[image]Space Radar Image of Yellowstone Park, Wyoming - NASA
Space Radar Image of Yellowstone Park, Wyoming
Keywords: Where -- Wyoming
Downloads: 15
[image]Space Radar Image of Mammoth Mountain, California - NASA
Space Radar Image of Mammoth Mountain, California
Keywords: Where -- California
Downloads: 6
[image]SPace Radar Image of Fort Irwin, California - NASA
SPace Radar Image of Fort Irwin, California
Keywords: Where -- California
Downloads: 6
[image]Saturn's Rings in Infrared - NASA/JPL/University of Arizona
This mosaic of Saturn's rings was acquired by Cassini's visual and infrared mapping spectrometer instrument on Sept. 15, 2006, while the spacecraft was in the shadow of the planet looking back towards the rings from a distance of 2.16 million kilometers (1.34 million miles). Data at wavelengths of 1.0 micron, 1.75 micron and 3.6 microns were combined in the blue, green and red channels to make the pseudo-color image shown here...
Keywords: What -- Visual and Infrared Mapping Spectrometer (VIMS); What -- Spectrometer; What -- Sun; What -- Cassini; What -- Huygens Probe; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Arizona
Downloads: 9
[image]Martian Mystery: Do Some Materials Flow Uphill? - NASA/JPL/MSSS
Some of the geological features of Mars defy conventional, or simple, explanations. A recent example is on the wall of a 72 kilometer-wide (45 mile-wide) impact crater in Promethei Terra. The crater (above left) is located at 39S, 247W. Its inner walls appear in low-resolution images to be deeply gullied. A high resolution Mars Orbiter Camera (MOC) image shows that each gully on the crater's inner wall contains a tongue of material that appears to have flowed (to best see this, click on the icon...
Keywords: What -- Mars Global Surveyor Orbiter (MGS); What -- Crater; What -- Terra; What -- Surveyor; Where -- California; Where -- Jet Propulsion Laboratory (JPL); Where -- Denver
Downloads: 6
[image]Saturn's B-ring - NASA
Prominent dark spokes are visible in the outer half of Saturn?s broad B-ring in this Voyager 2 photograph taken on Aug. 3, 1981 from a range of about 22 million kilometers (14 million miles). The features appear as filamentary markings about 12,000 kilometers (7,S00 miles) long, which rotate around the planet with the motion of particles in the rings. The nature of these features, discovered by Voyager 1, is not totally understood, but scientists believe the spokes may be caused by dust levitate...
Keywords: What -- Voyager 1; What -- Opportunity; What -- Sun; What -- Voyager; Where -- Jet Propulsion Laboratory (JPL)
Downloads: 7
[image]Arbela Sulcus flyover movie - NASA
A simulated flyover of an area on Jupiter's largest moon, Ganymede, based on images taken by NASA's Galileo spacecraft, takes the viewer over rugged, ancient terrain that is interrupted by a bright icy swath of more recent surfacing. The dark, rugged terrain in the foreground at the start is part of Nicholson Regio. Parts of the dark terrain are heavily cratered, testifying to their ancient age, but other parts have been deformed into deep grooves by stretching and faulting...
Keywords: What -- Moon; What -- Ganymede; What -- Galileo; What -- Europa; What -- Jupiter; What -- STEREO; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington; Where -- Berlin; Where -- Providence
Downloads: 6
[image]Crustal Fractures of Ophir Planum - NASA/JPL/Arizona State University
(Released 29 April 2002) The Science This THEMIS image covers a tract of plateau territory called Ophir Planum. The most obvious features in this scene are the fractures (ranging from 1 to 5 km wide) running from the upper left to lower right. Localized rifting and deep-seated tension fracturing of the crust probably formed these cracks. The wall rock displayed in the upper part of the cliffs appears to be layered...
Keywords: What -- THEMIS; What -- Mars; What -- Earth; Where -- New York City
Downloads: 10
[image]Artist Rendering of the Pathfinder Spacecraft Nearing Mars - NASA/JPL
This artist rendering depicts the Pathfinder spacecraft nearing it's target Mars prior to it's July 4th 1997 landing on the red planet.
Keywords: What -- Mars
Downloads: 7
[image]Ancient Sedimentary Rocks - NASA/JPL/Malin Space Science Systems
MGS MOC Release No. MOC2-469, 31 August 2003 The terraced area in this Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image is an outcropping of ancient, sedimentary rock. It occurs in a crater in western Arabia Terra near 10.8N, 4.5W. Sedimentary rocks provide a record of past environments on Mars. Field work will likely be required to begin to get a good understanding of the nature of the record these rocks contain...
Keywords: What -- Mars Global Surveyor Orbiter (MGS); What -- Surveyor; What -- Mars; What -- Crater; What -- Terra
Downloads: 6
[image]Long-Wavelength Infrared Views of Messier 81 - NASA/JPL/Caltech/University of Arizona
The magnificent and dusty spiral arms of the nearby galaxy Messier 81 are highlighted in these NASA Spitzer Space Telescope images. Located in the northern constellation of Ursa Major (which also includes the Big Dipper), this galaxy is easily visible through binoculars or a small telescope. M81 is located at a distance of 12 million light-years. The three-panel mosaic is a series of images obtained with the multiband imaging photometer for Spitzer...
Keywords: What -- Spitzer Space Telescope; What -- Constellation; What -- Ursa Major; Where -- M81
Downloads: 6
[image]Sediments of Ophir - NASA/JPL/Malin Space Science Systems
MGS MOC Release No. MOC2-579, 19 December 2003 This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image, acquired in December 2003, shows light-toned sedimentary rocks (bottom half of image) and dark-toned sand dunes and ripples (top half of image). The light-toned, wind-eroded rocks are formed of ancient sediments; while the dark-toned, wind-blown dunes and ripples are modern sediments. This picture is located in Ophir Chasma near 4.4S, 71.1W...
Keywords: What -- Mars Global Surveyor Orbiter (MGS); What -- Surveyor; What -- Mars
Downloads: 6
[image]Sailing to White Boat - JPL/NASA/Cornell
This is a composite red-green-blue image of the rock called White Boat. It is the first rock target that Spirit drove to after finishing a series of investigations on the rock Adirondack. White Boat stood out to scientists due to its light color and more tabular shape compared to the dark, rounded rocks that surround it.
Keywords: What -- Spirit
Downloads: 7
[image]Martian "Brain - NASA/JPL/Malin Space Science Systems
5 May 2004 Most middle-latitude craters on Mars have strange landforms on their floors. Often, the floors have pitted and convoluted features that lack simple explanation. In this case, the central part of the crater floor shown in this 2004 Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image bears some resemblance to the folded nature of a brain. Or not. It depends upon the "eye of the beholder," perhaps...
Keywords: What -- Mars Global Surveyor Orbiter (MGS); What -- Crater; What -- Surveyor; What -- Mars
Downloads: 8
[image]Art and Science - NASA/JPL/Space Science Institute
As artful as it is informative, this captivating portrait captures Saturn's wispy moon Dione over the shoulder of smoggy Titan in a single inspiring scene. Dione is 1,118 kilometers (695 miles) across and Titan is 5,150 kilometers (3,200 miles) across. The image was taken in visible green light with the Cassini spacecraft narrow-angle camera on Feb. 18, 2005, at a distance of approximately 1.3 million kilometers (808,000 miles) from Dione and 2.1 million kilometers (1.3 million miles) from Titan...
Keywords: What -- Moon; What -- Dione; What -- Titan; What -- Cassini; What -- Huygens Probe; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington
Downloads: 8
[image]Saturn-lit Surface - NASA/JPL/Space Science Institute
This Cassini image shows the night side of Saturn's moon Dione, dimly lit by "Saturnshine": that is, reflected light from the planet lying off to the left in Cassini's field of view when this image was taken. Dione is 1,118 kilometers (695 miles) across. The image was taken in visible green light with the Cassini spacecraft narrow-angle camera on Feb. 18, 2005, at a distance of approximately 1.3 million kilometers (808,000 miles) from Dione and at a Sun-Dione-spacecraft, or phase, angle of 118 d...
Keywords: What -- Cassini; What -- Moon; What -- Dione; What -- Sun; What -- Huygens Probe; What -- Saturn; Where -- Jet Propulsion Laboratory (JPL); Where -- California; Where -- Washington
Downloads: 5
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